/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package at.irian.demo.jsfatwork.service;

import at.irian.demo.jsfatwork.domain.Answer;
import at.irian.demo.jsfatwork.domain.Poll;
import at.irian.demo.jsfatwork.domain.User;
import at.irian.demo.jsfatwork.repository.GenericRepository;
import at.irian.demo.jsfatwork.repository.PollRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.inject.Inject;
import java.util.List;

/**
 * @author Gerhard Petracek
 */
@Service
public class DefaultPollService extends AbstractGenericService<Poll> implements PollService
{
    private PollRepository pollRepository;

    //needed for creating proxies
    protected DefaultPollService()
    {
    }

    @Inject
    public DefaultPollService(PollRepository pollRepository)
    {
        this.pollRepository = pollRepository;
    }

    protected GenericRepository<Poll> getRepository()
    {
        return this.pollRepository;
    }

    public List<Poll> findOpenPolls(User user)
    {
        return this.pollRepository.loadOpenPolls(user);
    }

    @Transactional
    public boolean createPoll(Poll poll, List<Answer> possibleAnswers)
    {
        if (possibleAnswers == null || poll.getOwner() == null || poll.getGroup() == null || possibleAnswers.isEmpty())
        {
            return false;
        }

        for (Answer answer : possibleAnswers)
        {
            poll.addAnswer(answer);
        }

        this.pollRepository.save(poll);

        return true;
    }
}